CN114776501A

CN114776501A - Fuel pump assembly with quickly replaced lower filter screen assembly

Info

Publication number: CN114776501A
Application number: CN202210421771.2A
Authority: CN
Inventors: 蔡良丰; 蔡良宝; 杨奔
Original assignee: Zhejiang Shuangliang Automobile Parts Co ltd
Current assignee: Zhejiang Shuangliang Automobile Parts Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-22
Anticipated expiration: 2042-04-21
Also published as: CN114776501B

Abstract

The invention discloses a fuel pump assembly with a lower filter screen assembly capable of being replaced quickly, which comprises a fuel pump body, a fuel pump core, a pressure regulating valve and an oil outlet pipeline, wherein the fuel pump core, the pressure regulating valve and the oil outlet pipeline are arranged on the fuel pump body, the fuel pump body is provided with an oil storage chamber below an oil inlet of the fuel pump core, a filter screen assembly is arranged in the oil storage chamber, an oil outlet of the filter screen assembly is matched with the oil inlet of the fuel pump core, a filter screen fastener is arranged below the filter screen assembly in the oil storage chamber, and a bayonet matched with the filter screen fastener is arranged on the side part of the oil storage chamber. The oil storage chamber is arranged below the fuel pump core, the oil storage chamber is used for storing oil when a vehicle is accelerated rapidly, insufficient oil supply is avoided, meanwhile, the filter screen component is arranged in the oil storage chamber, and the filter screen component is rapidly installed and detached through the filter screen fastener, so that the filter screen component is convenient to replace, the whole fuel pump assembly does not need to be replaced, and resource waste is avoided.

Description

Fuel pump assembly with quickly replaced lower filter screen assembly

Technical Field

The invention relates to a fuel pump assembly with a lower filter screen component capable of being replaced quickly.

Background

An electric fuel pump delivers sufficient fuel to the fuel injector and maintains a nominal pressure to ensure efficient injection of fuel. The electric fuel pump is an extremely important component of an oil supply system and plays an important role in ensuring smoothness and stability of an oil way. Electric fuel pumps are typically constructed as an electromechanical assembly of a micro-pump connected to a micro-motor and encapsulated by a housing and auxiliary components for delivering fuel from the fuel tank to an engine in a fuel supply system for a gasoline or diesel engine (GB/T25984.1-2010).

The fuel pump is after using for a long time, and more impurity can be remained to its filter screen subassembly, influences the normal work of fuel pump, because filter screen subassembly's change is very troublesome, changes whole fuel pump at present usually, but whole fuel pump change can cause the waste of resource, and simultaneously, the car is when accelerating suddenly, and the fuel in the oil tank can produce great rocking, leads to the fuel can not be inhaled in the fuel pump core, arouses the fuel feeding not enough.

Disclosure of Invention

Aiming at the problems, the invention provides a fuel pump assembly with a lower filter screen component replaced quickly, which solves the problems that the filter screen component is replaced inconveniently and the fuel supply is insufficient when a vehicle is accelerated suddenly.

The technical scheme adopted by the invention is as follows:

the utility model provides a put filter screen subassembly quick replacement's fuel pump assembly down, includes the fuel pump body to and set up fuel pump core, air-vent valve and the pipeline of producing oil on the fuel pump body, the fuel pump body is equipped with the oil storage room in the oil inlet below of fuel pump core, the oil storage room in be equipped with the filter screen subassembly, the oil-out of filter screen subassembly and the oil inlet phase-match of fuel pump core, the oil storage room is equipped with the filter screen buckle in the below of filter screen subassembly, the bayonet socket with filter screen buckle assorted is seted up to the lateral part of oil storage room.

Preferably, the filter screen buckle include the buckle body to and with bayonet socket assorted dop, the top of buckle body includes filter screen subassembly brace table to and set up the direction inclined plane in filter screen subassembly brace table front side.

The filter screen assembly supporting table is used for supporting the filter screen assembly, and the guide inclined plane is used for facilitating clamping of the filter screen assembly supporting table.

Preferably, the buckle body is provided with an operation table at the rear side of the filter screen assembly support table.

The operation panel is used for operating the filter screen buckle when the filter screen subassembly is changed.

Preferably, the buckle body is fixed with a top column at two sides of the front part of the guide inclined plane.

When the oil storage chamber is installed, the top column is pressed against the inner side of the oil storage chamber.

Preferably, the bottom of the filter screen assembly supporting table is provided with an upward concave groove, and a gap is reserved between the front side of the groove and the bottom of the filter screen assembly supporting table.

Through recess and fore-set, reduced the space occupation of filter screen buckle to increased the oil storage volume of oil storage chamber, the clearance of recess front side makes recess and oil storage chamber inner chamber be linked together.

Preferably, the bottom of the filter screen assembly is fixed with a supporting seat, and the supporting seat is matched with the filter screen assembly supporting table.

Make to form the space between filter screen subassembly brace table and the filter screen subassembly through the supporting seat to be convenient for the fuel entering oil storage indoor.

The oil storage chamber is arranged below the fuel pump core, the oil storage chamber is used for storing oil when a vehicle is accelerated rapidly, insufficient oil supply is avoided, meanwhile, the filter screen component is arranged in the oil storage chamber, and the filter screen component is rapidly installed and detached through the filter screen fastener, so that the filter screen component is convenient to replace, the whole fuel pump assembly does not need to be replaced, and resource waste is avoided.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic structural view of a pump body of a fuel pump;

FIG. 3 is a schematic view of a screen assembly;

FIG. 4 is a schematic view of a screen assembly;

FIG. 5 is a schematic view of a structure of a filter buckle;

fig. 6 is a schematic structural view of a filter screen fastener.

Detailed Description

The invention is described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Example 1

As shown in figures 1-6, a fuel pump assembly with a filter screen component arranged below for quick replacement comprises a fuel pump body 1, a fuel pump core 2, a pressure regulating valve 3 and an oil outlet pipeline 4, wherein the fuel pump core 2, the pressure regulating valve 3 and the oil outlet pipeline 4 are arranged on the fuel pump body 1, an oil storage chamber 5 is arranged below an oil inlet of the fuel pump core 2 of the fuel pump body 1, the filter screen component 6 is arranged in the oil storage chamber 5, an oil outlet 61 of the filter screen component 6 is matched with an oil inlet 21 of the fuel pump core 2, a filter screen buckle 7 is arranged below the filter screen component 6 in the oil storage chamber 5, and a bayonet 51 matched with the filter screen buckle 7 is arranged on the lateral part of the oil storage chamber 5.

The filter screen buckle 7 comprises a buckle body 71 and a clamping head 72 matched with the bayonet 51, wherein the top of the buckle body 71 comprises a filter screen assembly support platform 73 and a guide inclined surface 74 arranged on the front side of the filter screen assembly support platform 73.

The buckle body 71 is provided with an operation table 75 on the rear side of the screen assembly support base 73.

The clip body 71 has a top post 76 fixed to both sides of the front portion of the guide slope 74.

The bottom of the filter screen assembly support platform 73 is provided with an upwardly concave groove 77, and a gap is left between the front side of the groove 77 and the bottom of the filter screen assembly support platform 73.

The bottom of the filter screen assembly 6 is fixed with a support base 62, and the support base 62 is matched with the filter screen assembly support base 73.

The invention discloses a method for mounting and dismounting a filter screen assembly 6, which comprises the following steps:

when the filter screen assembly is installed, the filter screen assembly 6 is firstly installed in the oil storage chamber 5, the oil outlet 61 of the filter screen assembly is matched with the oil inlet 21 of the pump core 2 of the fuel pump, then the inner end of the filter screen fastener 7 is inserted into the oil storage chamber 5 from the lower part of the filter screen assembly 6 until the top column 76 is abutted against the inner part of the oil storage chamber 5, at the moment, the clamping head 72 is matched and buckled with the bayonet 51, and the filter screen assembly supporting platform 73 is positioned under the supporting seat 62.

When the filter screen assembly is disassembled, the bayonet 51 and the clamping head 72 are firstly opened, the filter screen clamping buckle 7 is taken out through the operating platform 75, and then the filter screen assembly 6 is taken down, so that the disassembly of the filter screen assembly 6 is completed.

The working principle of the invention is as follows:

after the filter screen subassembly 6 prefilter fuel, then inhale through fuel pump core 2, realize the fuel feed from the 4 outputs of oil pipe way behind the air-vent valve 3, when the fuel feeding, if the vehicle leads to the fuel in the oil tank to shake acutely with higher speed, the part fuel gets into and carries out interim oil storage in the oil storage chamber 5 when rocking, guarantees the fuel supply to fuel pump core 2 can not inhale the fuel when avoiding acutely with higher speed, leads to the fuel feeding not enough.

Finally, it should be noted that the above-mentioned list is only the specific embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.

Claims

1. The utility model provides a put filter screen subassembly quick replacement's fuel pump assembly down, its characterized in that includes the fuel pump body (1) to and set up fuel pump core (2), air-vent valve (3) and play oil pipe way (4) on the fuel pump body (1), the fuel pump body (1) is equipped with oil storage chamber (5) below the oil inlet of fuel pump core (2), oil storage chamber (5) in be equipped with filter screen subassembly (6), oil-out (61) of filter screen subassembly (6) and oil inlet (21) phase-match of fuel pump core (2), oil storage chamber (5) are equipped with filter screen buckle (7) in the below of filter screen subassembly (6), bayonet socket (51) with filter screen buckle (7) assorted have been seted up to the lateral part of oil storage chamber (5).

2. The fuel pump assembly capable of rapidly replacing an underlying filter screen assembly as claimed in claim 1, wherein the filter screen fastener (7) comprises a fastener body (71) and a chuck (72) matched with the bayonet (51), the top of the fastener body (71) comprises a filter screen assembly support platform (73) and a guide inclined surface (74) arranged at the front side of the filter screen assembly support platform (73).

3. The fuel pump assembly for quick replacement of an underlying screen assembly as recited in claim 2, wherein the latch body (71) is provided with an operating platform (75) at the rear side of the screen assembly support platform (73).

4. A quick change fuel pump assembly of an underlying screen assembly according to claim 3, wherein the latch body (71) has a top post (76) fixed to both sides of the front of the guide ramp (74).

5. The fuel pump assembly capable of rapidly replacing the underneath screen assembly according to claim 4, wherein the bottom of the screen assembly support platform (73) is provided with an upwardly concave groove (77), and a gap is left between the front side of the groove (77) and the bottom of the screen assembly support platform (73).

6. The fuel pump assembly with the filter screen component replaced quickly as claimed in claim 5, wherein a support base (62) is fixed to the bottom of the filter screen component (6), and the support base (62) is matched with the filter screen component support base (73).